At the insistence of Ruth Van Rydock, an old schoolfriend who is convinced that there is something wrong, Miss Marple agrees to visit 'Stonygates', the country house of Ruth's sister.
In Acapulco, Hercule Poirot attends a dinner party in which one of the guests clutches his throat and suddenly dies. The causes seem to be natural until another party with most of the same guests produces another corpse.
When Aida Teagarden's real estate client is found murdered, her sleuthing daughter Aurora sets out with her fiancé Nick and the Real Murders Club to solve the murder.
Actress Jane Wilkinson wants a divorce, but her husband, Lord Edgware, refuses. She convinces Hercule Poirot to use his famed tact and logic to make her case. Lord Edgware turns up murdered, a well-placed knife wound at the base of his neck. It will take the precise Poirot to sort out the lies from the alibis - and find the criminal before another victim dies.
Aurora's high school reunion turns deadly when a body is found in the hotel pool. Aurora and her Real Murders Club help investigate which classmate was most likely to kill.